Two of the key concepts in object-oriented programming (OOP) are inheritance and composition. While both can help you reuse code, there are key differences between them.

Compare inheritance and composition, the two fundamental ways to relate Java classes, then practice debugging ClassCastExceptions in Java inheritance.

The inheritance mechanisms of Smalltalk and Beta demonstrate the fact that using inheritance only for code reuse limits the expressiveness of inheritance for modeling, and using inheritance only for ...